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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1946 | 2 |
| 1952 | 2 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1964 | 1 |
| 1966 | 2 |
| 1971 | 1 |
| 1973 | 2 |
| 1975 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 3 |
| 1982 | 2 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 1 |
| 1986 | 9 |
| 1987 | 9 |
| 1988 | 4 |
| 1989 | 13 |
| 1990 | 12 |
| 1991 | 15 |
| 1992 | 20 |
| 1993 | 25 |
| 1994 | 17 |
| 1995 | 31 |
| 1996 | 31 |
| 1997 | 41 |
| 1998 | 41 |
| 1999 | 38 |
| 2000 | 45 |
| 2001 | 43 |
| 2002 | 52 |
| 2003 | 53 |
| 2004 | 56 |
| 2005 | 73 |
| 2006 | 64 |
| 2007 | 78 |
| 2008 | 81 |
| 2009 | 63 |
| 2010 | 87 |
| 2011 | 102 |
| 2012 | 128 |
| 2013 | 144 |
| 2014 | 115 |
| 2015 | 133 |
| 2016 | 106 |
| 2017 | 124 |
| 2018 | 118 |
| 2019 | 114 |
| 2020 | 158 |
| 2021 | 138 |
| 2022 | 146 |
| 2023 | 100 |
| 2024 | 86 |